Changelog
Features
- M3DB: Add per-namespace indexing runtime options to define concurrency weighted to indexing (#2446)
Performance
- M3DB: Faster bootstrapping with deferred index checksum and significantly lower memory bump at block rotation (#2446)
- M3DB: Faster series aggregate metadata queries by intersecting postings term results with resolved query postings list (#2441)
Bug Fixes
- M3Query: Fix for label matching behavior not the same as regular Prometheus for when label value is ".+" or ".*" (#2479)
- M3Query: Special case when request from Go process such as Prometheus Go client library for searching series metadata using Go min/max UTC values (#2487)
- M3Query: Auto-detect querying for entire retention time range (#2483)
- M3Query: Fix for Graphite query for metric with single identifier and no dot separated elements (#2450)
Documentation
Misc
- M3DB: Expose cluster total shards and replicas as metrics (#2452)